Paleoecological and floristic heterogeneity in the plant-fossil record : an analysis based on the Eocene of Washington /
Burnham, Robyn J.
Washington : U.S. G.P.O. ; Denver, CO : For sale by the U.S. Geological Survey, Map Distribution, Federal Center,
1994.
Title on p. [4] of cover: Heterogeneity in the plant-fossil record.
Includes bibliographical references (p. B22-B25).
Paleobotany
Paleobotany
Paleoecology